Guide

Prop-firm risk management: the two lines, the sizing, and what a risk manager does

Prop-firm risk management means tracking daily and total loss limits, including open positions, and sizing each order against the room remaining. Start with the firm’s rules, then distinguish the calculation from the protection your trading platform can actually enforce.

Daily loss and total drawdown

A daily loss limit and a total drawdown limit answer different questions: how much the account can lose within one trading day, and how far it can fall overall. A total floor may be static or trail a high-water mark. The daily calculation depends on the firm’s reset time and reference balance or equity. Check the account type and current source on the firm pages.

At most firms both lines are measured on equity, so an open position that is under water is spending the room while it is open; a day that ends in profit can still have breached at eleven in the morning. The firms differ in what the day is measured from - the balance at the reset, the higher of balance and equity, the initial balance - and in when the day resets, and each firm page here carries that firm’s own answer with its source and the date it was checked.

Sizing by risk, not by lots

The habit that keeps an account inside the lines is to decide the risk of a trade first and let the size follow: a risk per trade as a share of the account, a stop where the trade is wrong, and the lots that make the distance between them cost exactly that risk. Sized that way, a losing run costs a known number of those shares, and the daily line survives a known number of losses in a row - at 1% a trade on a 5% line, four; at 2.5%, one. The position size calculator does the first half; the challenge calculator does the second.

The number most traders size against is the account label - a hundred thousand - when the number the rule is measured against is the few thousand between equity and the daily line right now. The daily loss calculator shows that distance from the numbers on any platform.

What a risk manager does that a stop loss does not

A stop loss protects one trade after it is open. A risk manager works before the order exists: it sizes the order from the risk per trade, checks its full cost to the stop against what is left of the daily line, the maximum loss and a cap per order, and can refuse an order that does not fit when enforcement is active. In Propcockpit, this requires an enforcing plan and armed Risk rules. A stop resting at the broker and a pre-trade check serve different purposes; neither guarantees a fill price.

The alternatives a trader is offered are compared on one page: a risk bot running inside the trading platform reacts to the account after a limit is hit; a trade copier with risk filters guards follower accounts after the master has traded; a risk manager in front of the broker gates the order before it is sent. Each has cases where it is the right answer, and the page says which.

A risk budget before the next order

Suppose a $100,000 account has a $5,000 daily loss limit and a $500 Reserve. The Enforced limit is $4,500. If today’s loss is $3,000 and existing positions carry $400 of open risk, the remaining daily budget for a new order is $1,100 before the engine’s safety epsilon, assuming no pending orders. A draft with $1,200 of full risk does not fit this daily check, even though the firm’s daily loss line has not been reached. Other checks, including total drawdown and Max open risk per order, still apply.

This is an illustrative budget, not a prediction of losses or fills. The FTMO drawdown calculator shows the loss lines without a Reserve; the dedicated position size calculator shows sizing under its stated symbol assumptions. Read how the product applies Risk rules and Reserve before arming them.

Stored rules, enforcement and Auto-flatten

Free stores Risk rules and shows warnings; it does not add paid enforcement or Auto-flatten. Saving rules is not the same as arming them. With an enforcing plan and armed Risk rules, Propcockpit checks orders placed through its ticket before sending them to the broker. Starter adds enforcement and a Lock after a Breach. Existing Locks survive plan changes, including a move to Free.

Pro and Premium add Auto-flatten, which applies once an account’s Risk rules are armed. At a Breach, it attempts to close open positions; a broker connection and venue confirmation are needed, and a close or fill price cannot be guaranteed. A broker-side stop remains at the venue if Propcockpit disconnects. Auto-flatten supplements that stop, and is distinct from a Lock that blocks new risk.

Today it connects to cTrader through its official Open API. An order placed directly in the platform is read and counted rather than intercepted before placement. MetaTrader 5 support is planned with no date; the waitlist describes its status.

See how connection and arming work, compare plans and prices, and read the exact behavior of Breaches and Locks and Auto-flatten.

The questions traders ask with a position open

• Does floating loss count toward the daily loss?
• When does the daily loss reset?
• Why did the account breach on a day that ended in profit?
• I hit the daily loss limit. What happens now?

The words - maximum daily loss, trailing drawdown, high-water mark, consistency rule, Buffer - are defined in the glossary, the industry’s way and this product’s way.

Questions

What is prop firm risk management?

Keeping a funded or evaluation account inside the firm's loss rules - usually a maximum loss per day and a maximum loss overall, measured on equity at most firms - while still taking the trades the strategy calls for. In practice it is three habits: knowing what is left before each line right now, sizing every order from a risk per trade rather than a lot size, and not placing the order that would cross a line.

What does a prop firm risk manager do?

It does the arithmetic before the order: it sizes the order from the risk per trade and the stop, checks the order's full cost against what is left of the daily line, the maximum loss and a per-order cap, and, with an enforcing plan and armed Risk rules, refuses an order that does not fit. Free stores rules and shows warnings without adding paid enforcement. A stop loss protects one trade after it is open; a risk manager decides whether the trade fits the account before it exists.

Which platforms does Propcockpit connect to?

cTrader, through its official Open API, today. The calculators, the firm rule pages and the questions on this site are about the firms' rules and apply on any platform.

Does a risk manager guarantee I will not breach?

No, and be careful with anything that says it does. A firm measures its rules on its own server and its own price feed, an order placed outside the manager is not gated, and a broker can be unreachable at the moment a position needs closing. Enforcement can refuse an order placed through it; it cannot guarantee the outcome at the broker.